/*
 * RegenValue Partners
 * Design Direction: McKinsey-grade strategic consulting aesthetic
 * Palette: McKinsey Blue (#0062D6) · Oxford Navy · Off-White
 * Fonts: Cormorant Garamond (display) + Noto Sans KR (body) + Inter (label/mono)
 */

/* ─── Tokens ─────────────────────────────────────────────── */
:root {
  --ink:         #0C0F1A;
  --ink-mid:     #3C4152;
  --ink-light:   #717789;
  --navy:        #001E4E;
  --navy-deep:   #000F2B;
  --blue:        #0062D6;   /* McKinsey signature blue */
  --blue-dark:   #004BAA;
  --blue-on-dark:#6BB4FF;   /* readable blue on dark bg */
  --blue-tint:   #EBF3FF;
  --surface:     #F5F5F5;   /* McKinsey light-gray sections */
  --surface-warm:#F8F6F1;   /* warm off-white alternates */
  --white:       #FFFFFF;
  --rule:        #E0DFDC;
  --rule-dark:   rgba(255,255,255,.10);

  --font-display: 'Cormorant Garamond', 'Nanum Myeongjo', Georgia, serif;
  --font-body:    'Noto Sans KR', 'Apple SD Gothic Neo', 'Malgun Gothic', sans-serif;
  --font-label:   'Inter', 'SF Pro Text', sans-serif;

  --section-v:  clamp(5.5rem, 9vw, 9rem);
  --gutter:     clamp(1.25rem, 3vw, 2rem);
  --max-w:      1220px;
  --text-max:   660px;
  --trans:      220ms ease;
}

/* ─── Reset ──────────────────────────────────────────────── */
*, *::before, *::after { box-sizing: border-box; margin: 0; padding: 0; }
html { scroll-behavior: smooth; font-size: 16px; }
body {
  font-family: var(--font-body);
  color: var(--ink);
  background: var(--white);
  line-height: 1.75;
  -webkit-font-smoothing: antialiased;
}
img, figure { display: block; max-width: 100%; }
a   { color: inherit; text-decoration: none; }
ul  { list-style: none; }
button { cursor: pointer; background: none; border: none; font-family: inherit; color: inherit; }

/* ─── Container ──────────────────────────────────────────── */
.container {
  max-width: var(--max-w);
  margin-inline: auto;
  padding-inline: var(--gutter);
}
.section        { padding-block: var(--section-v); }
.section--warm  { background: var(--surface-warm); }
.section--gray  { background: var(--surface); }
.section--dark  { background: var(--navy); }
.section--deep  { background: var(--navy-deep); }

/* ─── Typography ─────────────────────────────────────────── */
.label {
  font-family: var(--font-label);
  font-size: .6875rem;
  font-weight: 600;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
  display: block;
}
.label--muted { color: var(--ink-light); }
.label--dark  { color: rgba(255,255,255,.4); }

.display {
  font-family: var(--font-display);
  font-size: clamp(2.8rem, 5.5vw, 5.25rem);
  font-weight: 600;
  line-height: 1.08;
  letter-spacing: -.025em;
  color: var(--ink);
}

h1, .h1 {
  font-family: var(--font-display);
  font-size: clamp(2.25rem, 4.5vw, 4rem);
  font-weight: 600;
  line-height: 1.12;
  letter-spacing: -.02em;
}
h2, .h2 {
  font-family: var(--font-display);
  font-size: clamp(1.8rem, 3.5vw, 3rem);
  font-weight: 600;
  line-height: 1.18;
  letter-spacing: -.015em;
}
h3, .h3 {
  font-family: var(--font-body);
  font-size: clamp(1rem, 1.5vw, 1.125rem);
  font-weight: 700;
  line-height: 1.45;
}
h4, .h4 {
  font-family: var(--font-body);
  font-size: .875rem;
  font-weight: 700;
}

p { color: var(--ink-mid); }
strong { color: var(--ink); font-weight: 700; }

/* ─── Rules ──────────────────────────────────────────────── */
hr, .rule {
  display: block;
  height: 1px;
  border: none;
  background: var(--rule);
}
.rule--dark { background: var(--rule-dark); }
.rule--blue { background: var(--blue); }

/* ─── Section header ─────────────────────────────────────── */
.sh {
  display: grid;
  grid-template-columns: auto 1fr;
  align-items: baseline;
  gap: 2.5rem;
  padding-bottom: 2rem;
  border-bottom: 1px solid var(--rule);
  margin-bottom: clamp(3rem, 5vw, 5rem);
}
.sh--dark  { border-bottom-color: var(--rule-dark); }
.sh--stack { display: block; }
.sh--stack .label { margin-bottom: 1.25rem; }

/* ─── CTA link (McKinsey text+arrow style) ───────────────── */
.cta-link {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  font-family: var(--font-label);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .08em;
  text-transform: uppercase;
  color: var(--blue);
  transition: var(--trans);
}
.cta-link::after {
  content: '';
  display: block;
  width: 24px;
  height: 1.5px;
  background: currentColor;
  flex-shrink: 0;
  transition: width var(--trans);
}
.cta-link:hover { color: var(--blue-dark); }
.cta-link:hover::after { width: 36px; }
.cta-link--white { color: var(--white); }
.cta-link--white:hover { color: rgba(255,255,255,.75); }

/* ─── Buttons ────────────────────────────────────────────── */
.btn {
  display: inline-flex;
  align-items: center;
  gap: .75rem;
  padding: .875rem 2.25rem;
  font-family: var(--font-label);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  border: 1.5px solid transparent;
  transition: var(--trans);
  white-space: nowrap;
}

/* McKinsey vivid-blue filled button */
.btn--blue {
  background: var(--blue);
  color: var(--white);
  border-color: var(--blue);
}
.btn--blue:hover { background: var(--blue-dark); border-color: var(--blue-dark); }

.btn--navy {
  background: var(--navy);
  color: var(--white);
  border-color: var(--navy);
}
.btn--navy:hover { background: var(--navy-deep); border-color: var(--navy-deep); }

.btn--outline-white {
  background: transparent;
  color: var(--white);
  border-color: rgba(255,255,255,.5);
}
.btn--outline-white:hover { border-color: var(--white); }

.btn--outline-dark {
  background: transparent;
  color: var(--ink);
  border-color: var(--ink);
}
.btn--outline-dark:hover { background: var(--ink); color: var(--white); }

/* ─── Image placeholders ─────────────────────────────────── */
.img-ph {
  position: relative;
  overflow: hidden;
  background: #c8d4df;
}
.img-ph img { width: 100%; height: 100%; object-fit: cover; display: block; }
.img-ph__badge {
  position: absolute;
  bottom: .75rem; left: .75rem;
  background: rgba(0,0,0,.55);
  color: rgba(255,255,255,.6);
  font-family: var(--font-label);
  font-size: .55rem;
  letter-spacing: .12em;
  text-transform: uppercase;
  padding: .25rem .5rem;
  pointer-events: none;
}

/* ═══════════════════════════════════════════════════════════
   NAVIGATION  (McKinsey-style: white, clean, blue active)
═══════════════════════════════════════════════════════════ */
.nav {
  position: fixed;
  inset: 0 0 auto;
  z-index: 900;
  background: rgba(255,255,255,.98);
  border-bottom: 1px solid var(--rule);
  backdrop-filter: blur(6px);
  transition: box-shadow var(--trans);
}
.nav.scrolled { box-shadow: 0 1px 16px rgba(0,0,0,.08); }

.nav__inner {
  display: flex;
  align-items: stretch;
  height: 72px;
}

.nav__logo {
  display: flex;
  align-items: center;
  padding-right: 2.5rem;
  border-right: 1px solid var(--rule);
  flex-shrink: 0;
}

.nav__logo-img {
  height: 36px;
  width: auto;
  display: block;
}

.nav__links {
  display: flex;
  align-items: stretch;
  justify-content: center;
  gap: 0;
  flex: 1;
}
.nav__links a {
  display: flex;
  align-items: center;
  font-family: var(--font-label);
  font-size: .825rem;
  font-weight: 500;
  letter-spacing: .03em;
  color: var(--ink-mid);
  padding: 0 1.25rem;
  border-bottom: 2.5px solid transparent;
  transition: var(--trans);
}
.nav__links a:hover { color: var(--ink); }
.nav__links a.active { color: var(--ink); border-bottom-color: var(--blue); }

.nav__links a.nav__brief {
  color: var(--blue);
  font-weight: 600;
  letter-spacing: .04em;
}
.nav__links a.nav__brief:hover {
  color: var(--blue-dark);
  background: var(--blue-tint);
  border-radius: 4px;
}


.nav__right {
  display: flex;
  align-items: center;
  padding-left: 1.75rem;
  border-left: 1px solid var(--rule);
  margin-left: auto;
}
.nav__cta {
  font-family: var(--font-label);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--white);
  background: var(--blue);
  padding: .55rem 1.35rem;
  transition: var(--trans);
}
.nav__cta:hover { background: var(--blue-dark); }

.nav__ham {
  display: none;
  flex-direction: column;
  gap: 5px;
  padding: .75rem;
  margin-left: auto;
}
.nav__ham span {
  display: block;
  width: 22px;
  height: 1.5px;
  background: var(--ink);
  transition: var(--trans);
}

/* ═══════════════════════════════════════════════════════════
   HERO  — McKinsey Korea light style
   White background · image right · blue sweep lines · text bottom-left
═══════════════════════════════════════════════════════════ */
.hero {
  display: grid;
  grid-template-columns: 52fr 48fr;
  grid-template-rows: 1fr auto;
  min-height: 100vh;
  background: var(--white);
  overflow: hidden;
  padding-top: 72px;
  position: relative;
}

/* Right-side photo — proper grid column, no absolute */
.hero__image {
  grid-column: 2;
  grid-row: 1 / 3;
  position: relative;
  overflow: hidden;
}
.hero__image .img-ph {
  width: 100%;
  height: 100%;
  background: var(--navy);
}

/* SVG decorative sweep lines (McKinsey-style) */
.hero__deco {
  position: absolute;
  inset: 0;
  width: 100%;
  height: 100%;
  z-index: 1;
  pointer-events: none;
  grid-column: 1;
  grid-row: 1;
}

.hero__symbol-deco {
  position: absolute;
  bottom: -10%;
  left: -5%;
  width: 55%;
  max-width: 380px;
  opacity: .06;
  pointer-events: none;
  z-index: 1;
  grid-column: 1;
  grid-row: 1;
}

/* Main body: text sticks to bottom-left */
.hero__body {
  grid-column: 1;
  grid-row: 1;
  display: flex;
  align-items: flex-end;
  position: relative;
  z-index: 2;
  padding-bottom: clamp(3.5rem, 6vw, 5.5rem);
}

.hero__text { max-width: 600px; }

.hero__label { margin-bottom: 1.5rem; }

.hero__title {
  font-family: var(--font-display);
  font-size: clamp(2.75rem, 5.5vw, 5rem);
  font-weight: 600;
  line-height: 1.06;
  letter-spacing: -.025em;
  color: var(--ink);
  margin-bottom: 1.5rem;
}

.hero__rule {
  width: 40px;
  height: 2.5px;
  background: var(--blue);
  margin-bottom: 1.5rem;
}

.hero__desc {
  max-width: 520px;
  color: var(--ink-mid);
  font-size: 1.0625rem;
  line-height: 1.85;
  margin-bottom: 2.5rem;
}

.hero__actions {
  display: flex;
  align-items: center;
  flex-wrap: wrap;
  gap: 1.75rem;
}

/* Bottom strip: strategy questions */
.hero__strip {
  grid-column: 1;
  grid-row: 2;
  background: var(--navy);
  position: relative;
  z-index: 2;
  padding-block: 1.75rem;
}

.hero__qs-grid {
  display: grid;
  grid-template-columns: repeat(3, 1fr);
  gap: .5rem 2.5rem;
}

.hero__q-item {
  display: flex;
  align-items: baseline;
  gap: .65rem;
  font-size: .8rem;
  color: rgba(255,255,255,.6);
  line-height: 1.5;
  padding-block: .35rem;
  border-top: 1px solid rgba(255,255,255,.08);
}
.hero__q-item span {
  font-family: var(--font-label);
  font-size: .6rem;
  letter-spacing: .1em;
  color: var(--blue-on-dark);
  flex-shrink: 0;
}

/* ═══════════════════════════════════════════════════════════
   WHY SECTION
═══════════════════════════════════════════════════════════ */
.why__intro {
  display: grid;
  grid-template-columns: 1fr 1fr;
  gap: 6rem;
  align-items: start;
  margin-bottom: clamp(4rem, 6vw, 6rem);
}

.why__lead { position: sticky; top: 100px; }
.why__lead h2 { margin-bottom: 1.5rem; }
.why__lead p  { font-size: 1.0625rem; line-height: 1.85; max-width: none; }
.why__lead p + p { margin-top: 1rem; }

.why__lead-img { margin-top: 2.5rem; aspect-ratio: 4/3; }

.why__list { display: flex; flex-direction: column; }

.why__item {
  display: grid;
  grid-template-columns: 60px 1fr;
  gap: 1.5rem;
  padding-block: 2rem;
  border-top: 1px solid var(--rule);
  transition: var(--trans);
}
.why__item:last-child { border-bottom: 1px solid var(--rule); }
.why__item:hover .why__num { color: var(--blue); }

.why__num {
  font-family: var(--font-display);
  font-size: 2.5rem;
  font-weight: 300;
  color: var(--rule);
  line-height: 1;
  transition: var(--trans);
  margin-top: .25rem;
}
.why__item-title { font-family: var(--font-body); font-size: 1rem; font-weight: 700; color: var(--ink); margin-bottom: .6rem; }
.why__item-text  { font-size: .9rem; line-height: 1.8; }

/* ═══════════════════════════════════════════════════════════
   QUESTIONS — dark section
═══════════════════════════════════════════════════════════ */
.questions__heading { max-width: var(--text-max); margin-bottom: 4rem; }
.questions__heading h2 { color: var(--white); margin-top: 1.25rem; margin-bottom: 1.25rem; }
.questions__heading p  { color: rgba(255,255,255,.6); font-size: 1.0625rem; }

.questions__grid {
  display: grid;
  grid-template-columns: 1fr 1fr;
}
.question-item {
  padding: 2rem 2.5rem 2rem 0;
  border-top: 1px solid var(--rule-dark);
  display: flex;
  gap: 1.25rem;
  align-items: baseline;
  transition: var(--trans);
}
.question-item:nth-child(even) { padding-left: 2.5rem; padding-right: 0; border-left: 1px solid var(--rule-dark); }
.question-item:hover .qi-num { color: var(--blue-on-dark); }

.qi-num {
  font-family: var(--font-label);
  font-size: .65rem;
  font-weight: 600;
  letter-spacing: .1em;
  color: rgba(255,255,255,.22);
  flex-shrink: 0;
  transition: var(--trans);
  margin-top: .2em;
}
.qi-text {
  font-size: .9375rem;
  font-weight: 600;
  color: rgba(255,255,255,.82);
  line-height: 1.55;
}

.questions__footer {
  margin-top: 4rem;
  padding-top: 2.5rem;
  border-top: 1px solid var(--rule-dark);
  display: flex;
  justify-content: space-between;
  align-items: center;
  flex-wrap: wrap;
  gap: 2rem;
}
.questions__footer p { max-width: 520px; font-size: .9375rem; color: rgba(255,255,255,.5); line-height: 1.75; }

/* ═══════════════════════════════════════════════════════════
   HOSPITAL STRATEGY
═══════════════════════════════════════════════════════════ */
.strategy__tabs {
  display: flex;
  border-bottom: 1px solid var(--rule);
  overflow-x: auto;
  scrollbar-width: none;
}
.strategy__tabs::-webkit-scrollbar { display: none; }

.stab {
  font-family: var(--font-label);
  font-size: .7rem;
  font-weight: 600;
  letter-spacing: .06em;
  text-transform: uppercase;
  color: var(--ink-light);
  padding: 1.1rem 1.75rem;
  border-bottom: 2.5px solid transparent;
  white-space: nowrap;
  transition: var(--trans);
  margin-bottom: -1px;
}
.stab:hover  { color: var(--ink); }
.stab.active { color: var(--blue); border-bottom-color: var(--blue); }

.strategy__panels { }
.strategy__panel { display: none; }
.strategy__panel.active {
  display: grid;
  grid-template-columns: 1fr 420px;
  gap: 5rem;
  padding-top: 4rem;
  align-items: start;
}

.sp__specialty {
  font-family: var(--font-label);
  font-size: .65rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1.5rem;
}
.sp__concept {
  font-family: var(--font-display);
  font-size: clamp(1.5rem, 2.5vw, 2.25rem);
  font-weight: 600;
  line-height: 1.2;
  color: var(--ink);
  margin-bottom: 2rem;
}
.sp__body { font-size: .9375rem; line-height: 1.9; margin-bottom: 2.5rem; }
.sp__tags { display: flex; flex-wrap: wrap; gap: .5rem; margin-bottom: 2.5rem; }
.sp__tag {
  font-family: var(--font-label);
  font-size: .65rem;
  letter-spacing: .1em;
  text-transform: uppercase;
  color: var(--blue);
  border: 1px solid var(--blue);
  padding: .3rem .85rem;
}

.sp__right { border-left: 1px solid var(--rule); padding-left: 3rem; }

/* Strategy tab image */
.sp__img {
  aspect-ratio: 8 / 5;
  margin-bottom: 2rem;
  overflow: hidden;
}
.sp__img img { width: 100%; height: 100%; object-fit: cover; display: block; }

.sp__right-label {
  font-family: var(--font-label);
  font-size: .65rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 1.5rem;
  padding-bottom: 1rem;
  border-bottom: 1px solid var(--rule);
}
.sp__points { display: flex; flex-direction: column; gap: 1.25rem; }
.sp__point  { display: grid; grid-template-columns: 20px 1fr; gap: .75rem; align-items: start; }
.sp__point-n { font-family: var(--font-label); font-size: .65rem; letter-spacing: .06em; color: var(--blue); font-weight: 600; margin-top: .2em; }
.sp__point p  { font-size: .875rem; line-height: 1.7; }

/* ═══════════════════════════════════════════════════════════
   FRAMEWORK
═══════════════════════════════════════════════════════════ */
.framework__layout {
  display: grid;
  grid-template-columns: 280px 1fr;
  border: 1px solid var(--rule);
  align-items: start;
}

.framework__nav { display: flex; flex-direction: column; }

.fw-tab {
  display: flex;
  align-items: baseline;
  gap: 1.5rem;
  padding: 1.35rem 2rem;
  border-bottom: 1px solid var(--rule);
  transition: var(--trans);
  text-align: left;
  width: 100%;
}
.fw-tab:last-child { border-bottom: none; }
.fw-tab:hover { background: var(--surface-warm); }
.fw-tab.active { background: var(--navy); }
.fw-tab.active .fw-tab__n     { color: var(--blue-on-dark); }
.fw-tab.active .fw-tab__title { color: var(--white); }

.fw-tab__n     { font-family: var(--font-label); font-size: .65rem; letter-spacing: .12em; color: var(--ink-light); flex-shrink: 0; width: 24px; transition: var(--trans); }
.fw-tab__title { font-family: var(--font-body); font-size: .875rem; font-weight: 600; color: var(--ink); transition: var(--trans); }

.fw-panel { display: none; padding: 3rem; }
.fw-panel.active { display: block; }

.fw-panel__title { font-family: var(--font-display); font-size: clamp(1.5rem, 2.5vw, 2rem); font-weight: 600; color: var(--ink); margin-bottom: .75rem; line-height: 1.2; }
.fw-panel__subtitle { font-size: 1rem; line-height: 1.75; margin-bottom: 2.5rem; }

.fw-blocks {
  display: grid;
  grid-template-columns: 1fr 1fr 1fr;
  gap: 0;
  border-top: 1px solid var(--rule);
}
.fw-block { padding: 1.75rem 1.75rem 1.75rem 0; border-right: 1px solid var(--rule); }
.fw-block:first-child { padding-left: 0; }
.fw-block:last-child  { border-right: none; padding-right: 0; }

.fw-block__label {
  font-family: var(--font-label);
  font-size: .6rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue);
  margin-bottom: 1rem;
}
.fw-block ul { display: flex; flex-direction: column; gap: .6rem; }
.fw-block li {
  font-size: .85rem;
  color: var(--ink-mid);
  line-height: 1.55;
  padding-left: .9rem;
  position: relative;
}
.fw-block li::before {
  content: '';
  position: absolute;
  left: 0;
  top: .7em;
  width: 4px;
  height: 1px;
  background: var(--blue);
}

/* ═══════════════════════════════════════════════════════════
   ROADMAP — dark
═══════════════════════════════════════════════════════════ */
/* Roadmap: full-width editorial layout */
.roadmap__steps { display: flex; flex-direction: column; }

.rm-step {
  display: grid;
  grid-template-columns: 160px 1px 1fr;
  gap: 0 3.5rem;
  padding-block: 3rem;
  align-items: start;
}
.rm-step:not(:last-child) { border-bottom: 1px solid var(--rule-dark); }

.rm-step__meta { text-align: right; padding-top: .35rem; }
.rm-step__n {
  font-family: var(--font-display);
  font-size: 5rem;
  font-weight: 300;
  line-height: 1;
  color: rgba(255,255,255,.08);
  display: block;
  margin-bottom: .6rem;
  letter-spacing: -.02em;
}
.rm-step.rm-step--strategy .rm-step__n { color: rgba(107,180,255,.18); }

.rm-step__tag {
  font-family: var(--font-label);
  font-size: .58rem;
  letter-spacing: .18em;
  text-transform: uppercase;
  color: var(--blue-on-dark);
  display: block;
  opacity: .7;
}

.rm-step__rule { width: 1px; background: var(--rule-dark); align-self: stretch; }
.rm-step.rm-step--strategy .rm-step__rule { background: rgba(107,180,255,.2); }

.rm-step__content  { padding-top: .35rem; }
.rm-step__title    { color: var(--white); margin-bottom: .75rem; font-size: 1.075rem; font-weight: 600; }
.rm-step__desc     { font-size: .9rem; color: rgba(255,255,255,.5); line-height: 1.85; max-width: 640px; }

/* ═══════════════════════════════════════════════════════════
   BENCHMARKING
═══════════════════════════════════════════════════════════ */
/* Benchmarking full-width banner */
.bench__banner {
  width: 100%;
  aspect-ratio: 12 / 5;
  overflow: hidden;
  margin-bottom: 0;
}
.bench__banner img { width: 100%; height: 100%; object-fit: cover; display: block; }

.bench__grid {
  display: grid;
  grid-template-columns: repeat(2, 1fr);
  border: 1px solid var(--rule);
  margin-bottom: 3rem;
}
.bench-card {
  padding: 2.5rem;
  border-right: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  transition: var(--trans);
}
.bench-card:nth-child(2n)  { border-right: none; }
.bench-card:nth-child(n+3) { border-bottom: none; }
.bench-card:hover { background: var(--surface-warm); }

.bench-card__flag { font-family: var(--font-label); font-size: .6rem; letter-spacing: .18em; text-transform: uppercase; color: var(--blue); margin-bottom: .75rem; }
.bench-card__name { font-family: var(--font-display); font-size: 1.35rem; font-weight: 600; color: var(--ink); margin-bottom: 1rem; line-height: 1.25; }
.bench-card__desc { font-size: .875rem; line-height: 1.8; }

.bench__conclusion {
  border-left: 3px solid var(--blue);
  padding: 2rem 2.5rem;
  background: var(--blue-tint);
}
.bench__conclusion p { font-family: var(--font-display); font-size: 1.2rem; line-height: 1.6; color: var(--ink); max-width: 860px; }
.bench__conclusion strong { color: var(--blue); }

/* ═══════════════════════════════════════════════════════════
   FAQ
═══════════════════════════════════════════════════════════ */
.faq__list { display: flex; flex-direction: column; max-width: 860px; }

.faq-item__q {
  display: flex;
  justify-content: space-between;
  align-items: baseline;
  gap: 2rem;
  padding-block: 1.5rem;
  border-top: 1px solid var(--rule);
  cursor: pointer;
}
.faq-item:last-child .faq-item__q { border-bottom: 1px solid var(--rule); }
.faq-item.open:last-child .faq-item__q { border-bottom: none; }
.faq-item.open .faq-item__q-text { color: var(--blue); }

.faq-item__q-text { font-size: .9375rem; font-weight: 600; color: var(--ink); line-height: 1.5; transition: var(--trans); }
.faq-item__icon   { flex-shrink: 0; font-family: var(--font-label); font-size: 1.25rem; font-weight: 300; color: var(--ink-light); transition: transform var(--trans), color var(--trans); line-height: 1; user-select: none; }
.faq-item.open .faq-item__icon { color: var(--blue); transform: rotate(45deg); }

.faq-item__a { display: none; padding-bottom: 2rem; border-bottom: 1px solid var(--rule); }
.faq-item__a p { font-size: .9rem; line-height: 1.85; }
.faq-item.open .faq-item__a { display: block; }

/* ═══════════════════════════════════════════════════════════
   CONTACT
═══════════════════════════════════════════════════════════ */
.contact__layout {
  display: grid;
  grid-template-columns: 380px 1fr;
  gap: 6rem;
  align-items: start;
}
.contact__right { display: flex; flex-direction: column; gap: 0; }
.contact__left h2  { margin-bottom: 1.25rem; }
.contact__left > p { font-size: 1rem; line-height: 1.85; margin-bottom: 2.5rem; }

.contact__points { display: flex; flex-direction: column; }
.contact__point { padding-block: 1.35rem; border-top: 1px solid var(--rule); }
.contact__point:last-child { border-bottom: 1px solid var(--rule); }
.contact__point h4 { margin-bottom: .35rem; }
.contact__point p  { font-size: .875rem; }

.contact-form { border: 1px solid var(--rule); padding: 3rem; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 1.5rem; }
.form-grid .full { grid-column: 1 / -1; }

.fg { display: flex; flex-direction: column; gap: .4rem; }
.fg label { font-family: var(--font-label); font-size: .65rem; letter-spacing: .14em; text-transform: uppercase; color: var(--ink-mid); font-weight: 600; }
.fg label span { color: #c0392b; }

.fg input, .fg select, .fg textarea {
  font-family: var(--font-body);
  font-size: .9rem;
  color: var(--ink);
  background: var(--white);
  border: 1.5px solid var(--rule);
  padding: .75rem 1rem;
  outline: none;
  transition: border-color var(--trans);
  width: 100%;
  border-radius: 0;
  appearance: none;
}
.fg input:focus,  .fg select:focus,  .fg textarea:focus  { border-color: var(--blue); box-shadow: 0 0 0 3px var(--blue-tint); }
.fg textarea  { min-height: 120px; resize: vertical; }
.fg select    { background-image: url("data:image/svg+xml,%3Csvg xmlns='http://www.w3.org/2000/svg' width='12' height='8' viewBox='0 0 12 8'%3E%3Cpath d='M1 1l5 5 5-5' stroke='%23717789' stroke-width='1.5' fill='none' stroke-linecap='round'/%3E%3C/svg%3E"); background-repeat: no-repeat; background-position: right 1rem center; }

.fg-check { display: flex; gap: .75rem; align-items: flex-start; font-size: .8125rem; color: var(--ink-mid); line-height: 1.6; cursor: pointer; }
.fg-check input[type="checkbox"] {
  appearance: none;
  -webkit-appearance: none;
  width: 16px;
  height: 16px;
  min-width: 16px;
  border: 1.5px solid var(--ink-light);
  border-radius: 2px;
  background: var(--white);
  flex-shrink: 0;
  margin-top: .2em;
  cursor: pointer;
  transition: border-color 150ms ease, background 150ms ease;
}
.fg-check input[type="checkbox"]:checked {
  background: var(--blue);
  border-color: var(--blue);
  background-image: url("data:image/svg+xml,%3Csvg viewBox='0 0 10 8' fill='none' xmlns='http://www.w3.org/2000/svg'%3E%3Cpath d='M1 4l3 3 5-6' stroke='white' stroke-width='1.5' stroke-linecap='round' stroke-linejoin='round'/%3E%3C/svg%3E");
  background-repeat: no-repeat;
  background-position: center;
  background-size: 10px 8px;
}

.form-footer { margin-top: 2rem; display: flex; justify-content: space-between; align-items: center; flex-wrap: wrap; gap: 1rem; }
.form-notice  { font-family: var(--font-label); font-size: .65rem; letter-spacing: .08em; color: var(--ink-light); }

.fg-err { display: block; font-size: .75rem; color: #c0392b; margin-top: .3rem; min-height: 1em; }
[data-fs-field][aria-invalid="true"] { border-color: #c0392b; outline-color: #c0392b; }

.form-success {
  background: #eaf6ee;
  border: 1px solid #6abf80;
  border-radius: 4px;
  padding: 1.25rem 1.5rem;
  color: #1a5c30;
  font-size: .9375rem;
  margin-bottom: 1.5rem;
}
.form-error-global {
  background: #fef0ef;
  border: 1px solid #e0736b;
  border-radius: 4px;
  padding: 1rem 1.5rem;
  color: #8b1c1c;
  font-size: .875rem;
  margin-bottom: 1.5rem;
}
[data-fs-submit-btn]:disabled { opacity: .6; cursor: not-allowed; }

/* ═══════════════════════════════════════════════════════════
   PRE-FOOTER CTA BAND  (McKinsey "Connect" style)
═══════════════════════════════════════════════════════════ */
.prefooter {
  background: var(--surface);
  padding-block: 2.75rem;
  border-top: 1px solid var(--rule);
  border-bottom: 1px solid var(--rule);
  position: relative;
  overflow: hidden;
}
.prefooter__symbol {
  position: absolute;
  right: -2rem;
  top: 50%;
  transform: translateY(-50%);
  width: 180px;
  height: 180px;
  opacity: .06;
  pointer-events: none;
}
.prefooter__inner {
  display: flex;
  justify-content: space-between;
  align-items: center;
  gap: 2rem;
  flex-wrap: wrap;
}
.prefooter__heading {
  font-family: var(--font-display);
  font-size: clamp(1.35rem, 2.5vw, 1.85rem);
  font-weight: 600;
  color: var(--ink);
  max-width: 600px;
  line-height: 1.25;
}
.prefooter__btn {
  display: inline-flex;
  align-items: center;
  gap: .65rem;
  padding: .9rem 2rem;
  background: var(--blue);
  color: var(--white);
  font-family: var(--font-label);
  font-size: .75rem;
  font-weight: 600;
  letter-spacing: .1em;
  text-transform: uppercase;
  transition: var(--trans);
  flex-shrink: 0;
}
.prefooter__btn:hover { background: var(--blue-dark); }
.prefooter__btn svg   { flex-shrink: 0; }

/* ═══════════════════════════════════════════════════════════
   FOOTER  — McKinsey white footer style
═══════════════════════════════════════════════════════════ */
.footer {
  background: var(--white);
  padding-top: 3.5rem;
  padding-bottom: 0;
}

.footer__top {
  display: grid;
  grid-template-columns: 240px 1fr;
  gap: 5rem;
  padding-bottom: 3rem;
}

.footer__logo-img {
  height: 44px;
  width: auto;
  display: block;
  margin-bottom: 1rem;
}

.footer__logo-sub {
  font-family: var(--font-label);
  font-size: .6rem;
  letter-spacing: .16em;
  text-transform: uppercase;
  color: var(--ink-light);
  margin-bottom: 1.5rem;
}
.footer__logo-desc {
  font-size: .825rem;
  color: var(--ink-mid);
  line-height: 1.75;
  max-width: 340px;
  margin-bottom: 1.25rem;
}
.footer__logo-by {
  font-size: .775rem;
  color: var(--ink-light);
  line-height: 1.6;
}
.footer__logo-by strong { color: var(--ink-mid); font-weight: 600; }
.footer__logo-by strong { color: var(--ink-mid); font-weight: 600; }

.footer__nav {
  display: grid;
  grid-template-columns: repeat(3, auto);
  gap: 1rem 4rem;
  align-content: start;
}

.footer__nav a {
  display: block;
  font-size: .875rem;
  color: var(--ink-mid);
  padding-block: .45rem;
  transition: var(--trans);
  line-height: 1.4;
}
.footer__nav a:hover { color: var(--ink); }
.footer__nav a.brief-link {
  color: var(--blue);
  font-weight: 600;
}
.footer__nav a.brief-link:hover { color: var(--blue-dark); }

.footer__divider {
  height: 1px;
  background: var(--rule);
  margin-block: 0;
}

.footer__bottom {
  display: flex;
  justify-content: space-between;
  align-items: center;
  padding-block: 1.5rem;
  flex-wrap: wrap;
  gap: 1rem;
}
.footer__copy {
  font-family: var(--font-label);
  font-size: .65rem;
  letter-spacing: .06em;
  color: var(--ink-light);
}
.footer__legal { display: flex; gap: 2rem; }
.footer__legal a {
  font-family: var(--font-label);
  font-size: .65rem;
  letter-spacing: .06em;
  color: var(--ink-light);
  transition: var(--trans);
}
.footer__legal a:hover { color: var(--ink); }

/* ═══════════════════════════════════════════════════════════
   RESPONSIVE
═══════════════════════════════════════════════════════════ */
@media (max-width: 1080px) {
  .hero { grid-template-columns: 55fr 45fr; }
  .hero__qs-grid { grid-template-columns: 1fr 1fr; }
  .why__intro { grid-template-columns: 1fr; gap: 3rem; }
  .why__lead  { position: static; }
  .strategy__panel.active { grid-template-columns: 1fr; gap: 3rem; }
  .sp__right  { border-left: none; padding-left: 0; border-top: 1px solid var(--rule); padding-top: 2rem; }
  .framework__layout { grid-template-columns: 1fr; }
  .framework__nav { display: flex; flex-direction: row; overflow-x: auto; scrollbar-width: none; }
  .fw-tab     { flex-direction: column; gap: .25rem; white-space: nowrap; padding: 1rem 1.25rem; }
  .fw-tab.active { background: var(--surface-warm); }
  .fw-tab.active .fw-tab__title { color: var(--navy); }
  .fw-panel   { padding: 2rem; }
  .fw-blocks  { grid-template-columns: 1fr 1fr; }
  .contact__layout { grid-template-columns: 1fr; gap: 3rem; }
  .footer__top { grid-template-columns: 1fr; gap: 2rem; }
  .footer__nav { grid-template-columns: repeat(2, auto); }
  .rm-step    { grid-template-columns: 100px 1px 1fr; gap: 2rem; }
  .rm-step__n { font-size: 2.5rem; }
}

@media (max-width: 768px) {
  :root { --section-v: clamp(4rem, 8vw, 6rem); }

  .nav__logo-img { height: 28px; }
  .nav__links { display: none; }
  .nav__right { display: none; }
  .nav__ham   { display: flex; }
  .nav__links.open {
    display: flex; flex-direction: column; align-items: stretch;
    position: absolute; top: 64px; left: 0; right: 0;
    background: var(--white); border-bottom: 1px solid var(--rule);
    padding: .5rem 0;
  }
  .nav__links.open a { padding: .85rem var(--gutter); border-bottom: none; }

  .hero { grid-template-columns: 1fr; grid-template-rows: 1fr auto; }
  .hero__image       { display: none; }
  .hero__deco        { display: none; }
  .hero__symbol-deco { display: none; }
  .hero__body   { grid-column: 1; grid-row: 1; align-items: flex-start; padding-top: 3rem; padding-bottom: 3rem; }
  .hero__strip  { grid-column: 1; grid-row: 2; }
  .hero__qs-grid { grid-template-columns: 1fr; }

  .sh { grid-template-columns: 1fr; gap: 1rem; }
  .questions__grid { grid-template-columns: 1fr; }
  .question-item:nth-child(even) { border-left: none; padding-left: 0; }
  .rm-step { grid-template-columns: 80px 1px 1fr; gap: 0 1.75rem; padding-block: 2rem; }
  .rm-step__n { font-size: 3rem; }
  .bench__banner   { aspect-ratio: 16 / 9; }
  .bench__grid   { grid-template-columns: 1fr; }
  .bench-card:nth-child(2n) { border-right: none; }
  .fw-blocks  { grid-template-columns: 1fr; }
  .fw-block   { border-right: none; border-bottom: 1px solid var(--rule); padding: 1.5rem 0; }
  .fw-block:last-child { border-bottom: none; }
  .form-grid  { grid-template-columns: 1fr; }
  .form-grid .full { grid-column: 1; }
  .prefooter__inner { flex-direction: column; align-items: flex-start; }
  .footer__nav { grid-template-columns: 1fr; }
  .footer__bottom { flex-direction: column; align-items: flex-start; }
}

/* ─── Reveal animations ──────────────────────────────────── */
.reveal {
  opacity: 0;
  transform: translateY(18px);
  transition: opacity .6s ease, transform .6s ease;
}
.reveal.visible { opacity: 1; transform: translateY(0); }